<template>
  <view>
    <view class="my-settle-container">
      <!-- 全选 -->
      <label class="radio" @click="changeAllState">
        <radio :checked="isFullCheck" color="#C00000"/><text>全选</text>
      </label>
      <!-- 合计 -->
      <view class="amount-box">
        合计： <text class="amount">￥{{allCheckedGoodsAmount}}</text>
      </view>
      <!-- 结算 -->
      <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
    </view>
  </view>
</template>

<script>
  import { mapGetters, mapMutations, mapState } from 'vuex'
  export default {
    name:"my-settle",
    computed: {
      ...mapGetters('m_cart', ['checkedCount', 'total', 'allCheckedGoodsAmount']),
      ...mapGetters('m_user', ['addstr']),
      ...mapState('m_user', ['token']),
      ...mapState('m_cart', ['cart']),
      isFullCheck() {
       return this.checkedCount === this.total
      }
    },
    data() {
      return {
        // 倒计时的秒数
        seconds: 3,
        // 定时器的Id
        timer: null
      };
    },
    methods: {
      ...mapMutations('m_cart', ['updateAllGoodsState']),
      ...mapMutations('m_user', ['updateRedirectInfo']),
      
      changeAllState() {
        // console.log(this.isFullCheck);
        this.updateAllGoodsState(!this.isFullCheck)
      },
      settlement() {
        if(!this.checkedCount) return uni.$showMsg('请选择需要结算的商品')
        if(!this.addstr) return uni.$showMsg('请选择收货地址')
        // if(!this.token) return uni.$showMsg('请先登录')
        if(!this.token) return this.delayNavigate()
        
        this.payOrder()
      },
      delayNavigate() {
        this.seconds = 3
        this.showTips(this.seconds)
        
       this.timer = setInterval(() => {
          this.seconds--
          if(this.seconds <= 0) {
            clearInterval(this.timer)
            uni.switchTab({
              url: '/pages/my/my',
              success: () => {
               this.updateRedirectInfo({
                 openType: 'switchTab',
                 from: '/pages/cart/cart'
               }) 
              }
            })
            return
          }
          this.showTips(this.seconds)
        }, 1000)
      },
     async payOrder() {
        // 1.创建订单
        // 1.1组织订单的信息对象
        const orderInfo = {
          // order_price: this.allCheckedGoodsAmount,
          order_price: 0.01,
          consignee_addr: this.addstr,
          goods: this.cart.filter(x => x.goods_state).map(x => ({
            goods_id: x.goods_id,
            goods_number: x.goods_count,
            goods_price: x.goods_price
          }))
        }
        // 1.2发起请求创建订单
      const {data: res} = await uni.$http.post('https://api-ugo-web.itheima.net/api/public/v1/my/orders/create', orderInfo)
      // console.log(res);
      if(res.meta.status !== 200) return uni.$showMsg('创建订单失败')
      
      // 1.3得到服务器返回的 “订单编号”
      const orderNumber = res.message.order_number
      
      // 2.订单预支付
      // 2.1发起请求获取订单的支付信息
   const {data: res2} = await uni.$http.post('https://api-ugo-web.itheima.net/api/public/v1/my/orders/req_unifiedorder', {order_number: orderNumber})
      // 2.2预付订单生成失败
      if(res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败！')
      // 2.3得到订单支付相关的必要参数
      const payInfo = res2.message.pay
      },
      // 展示倒计时的提示消息
      showTips(n) {
        uni.showToast({
          icon: 'none',
          title: '请登录后再结算！' + n + '秒钟后自动跳转到登录页面',
          mask: true,
          duration: 1500
        })
      }
    }
  }
</script>

<style lang="scss">
  .my-settle-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    .radio {
      display: flex;
      align-items: center;
    }
    .amount-box{
      .amount {
        color: #C00000;
        font-weight: bold;
      }
    }
    .btn-settle {
      background-color: #C00000;
      height: 50px;
      min-width: 100px;
      line-height: 50px;
      text-align: center;
      padding: 0 10px;
      color: white;
    }
    
  }
</style>